253756720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{453137}}^1$

素因数の和:453157

約数の個数: 40

約数和(自身を含む): 674269344

約数和(自身を除く): 420512624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 453137, 906274, 1812548, 2265685, 3171959, 3625096, 4531370, 6343918, 7250192, 9062740, 12687836, 15859795, 18125480, 25375672, 31719590, 36250960, 50751344, 63439180, 126878360, 253756720]

約数ペア:

[(1, 253756720), (2, 126878360), (4, 63439180), (5, 50751344), (7, 36250960), (8, 31719590), (10, 25375672), (14, 18125480), (16, 15859795), (20, 12687836), (28, 9062740), (35, 7250192), (40, 6343918), (56, 4531370), (70, 3625096), (80, 3171959), (112, 2265685), (140, 1812548), (280, 906274), (560, 453137)]